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Finding the Fourth Proportional to 191,469.15, 264,055.41 and 119,855.70

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Solution

The fourth proportional to 191,469.15, 264,055.41 and 119,855.70 is: 165,293.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,469.15 : 264,055.41 = 119,855.70 : x
  2. Step 2: Convert to fraction form
    191,469.15/264,055.41 = 119,855.70/x
  3. Step 3: Cross multiply
    191,469.15x = 264,055.41 × 119,855.70
  4. Step 4: Simplify right side
    191,469.15x = 31,648,546,004.34
  5. Step 5: Solve for x
    x = 31,648,546,004.34/191,469.15
  6. Step 6: Final answer
    x = 165,293.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.